31 lines
862 B
C++
31 lines
862 B
C++
#include <Memory/Buffer.hpp>
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#include <Memory/Memory.hpp>
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Buffer::Buffer(vk::PhysicalDevice phys_dev, vk::Device dev, vk::DeviceSize sz, vk::BufferUsageFlags usage, vk::MemoryPropertyFlags mem_flags, vk::SharingMode sharing) : dev(dev), size(sz) {
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auto info = vk::BufferCreateInfo {
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.size = sz,
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.usage = usage,
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.sharingMode = sharing,
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};
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buffer = dev.createBuffer(info);
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auto reqs = dev.getBufferMemoryRequirements(buffer);
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auto alloc_info = vk::MemoryAllocateInfo{
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.allocationSize = reqs.size,
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.memoryTypeIndex = mem::choose_heap(phys_dev, reqs, mem_flags),
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};
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memory = dev.allocateMemory(alloc_info);
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}
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void Buffer::map(const uint8_t* data, vk::DeviceSize size) {
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auto p = dev.mapMemory(memory, 0, size);
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std::memcpy(p, data, size);
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dev.unmapMemory(memory);
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}
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Buffer::~Buffer() {
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dev.freeMemory(memory);
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dev.destroyBuffer(buffer);
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}
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